11 hours sitting in the plane on a runway? At what point do you say ok I am getting off this plane and just jumping out the door?

JetBlue apologizes after passengers stranded (http://www.msnbc.msn.com/id/17166299/) - JetBlue Airways Corp. tried to calm a maelstrom of criticism Thursday, after passengers were left waiting on planes at a New York airport for as long as 11 hours during a snow and ice storm.